19717893

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1327}}^1$

素因数の和:1473

約数の個数: 24

約数和(自身を含む): 30937088

約数和(自身を除く): 11219195

約数列:

[1, 3, 9, 13, 39, 117, 127, 381, 1143, 1327, 1651, 3981, 4953, 11943, 14859, 17251, 51753, 155259, 168529, 505587, 1516761, 2190877, 6572631, 19717893]

約数ペア:

[(1, 19717893), (3, 6572631), (9, 2190877), (13, 1516761), (39, 505587), (117, 168529), (127, 155259), (381, 51753), (1143, 17251), (1327, 14859), (1651, 11943), (3981, 4953)]